Viscosities and densities for binary mixtures of N-methylpiperazine with methanol, ethanol, n-propanol, iso-propanol, n-butanol and iso-butanol at 293.15, 298.15 and 303.15 K Chen, S.d.; Lei, Q.f.; Fang, W.j.; Fluid Phase Equilibria 2005, 234, 22-33